$OpenBSD: patch-libs_libGraphics_GLRenderEngine_cpp,v 1.1 2012/06/13 09:45:11 espie Exp $
--- libs/libGraphics/GLRenderEngine.cpp.orig	Wed Jun 13 11:32:07 2012
+++ libs/libGraphics/GLRenderEngine.cpp	Wed Jun 13 11:33:06 2012
@@ -21,6 +21,7 @@
 #include <qpainter.h>
 #include <QtOpenGL>
 #include <math.h>
+#include <GL/glu.h>
 #include "IEEEFP.hpp"
 
 GLRenderEngine::GLRenderEngine(QGLWidget *widget, double x1, double y1,
